Zhejiang Nature Environmental Sci-tech Co.,Ltd.

Nature Environmental Technology

Zhejiang Nature Environmental Sci-tech Co.,Ltd., founded in 2007, is a high-tech enterprise specializing in the R&D of water treatment technologies, as well as the manufacturing, installation, and service of related equipment. The company has been dedicated to applying cutting-edge water treatment technologies in industries such as electric power, chemicals, pharmaceuticals, civil direct drinking water treatment, seawater/freshwater treatment, ultrapure water production, reclaimed water reuse, and sewage treatment. Its design, manufacturing, engineering installation, and service personnel each have over a decade of industry experience.

Company profile

Organizational structure

Corporate culture

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Nature Environmental Technology

The company's current business domains encompass:Power generation, chemicals, energy, pharmaceuticals, biotechnology, food and beverage, and electronic ultrapure water industries, among others.


Our business has expanded overseas, and we have established a collaborative partnership with LIVENT Corporation (a U.S.-based company). Their lithium extraction system successfully passed all inspections conducted by the design firm LBT and third-party auditors. The company's commitment to high standards and rigorous requirements has earned us deep trust from overseas clients.


The pharmaceutical industry

Chemical and Petrochemical

Power Industry

Waste-to-Energy Industry


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Domestic Sewage Treatment

Food and Beverage Industry



Wastewater Treatment Industry

Reclaimed Water Reuse




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Nature Environmental Technology

The company has achieved remarkable success in specialized fields such as material concentration and separation, including lithium-ion extraction and ammonium chloride extraction. The process equipment for these applications is independently developed by our company, featuring advantages such as high-efficiency concentration and extraction. It enables zero discharge of lithium ions, effectively ensuring the recycling and utilization of lithium ions while addressing wastewater emission issues. This equipment has been operating stably for years in domestic projects within the same industry.


Membrane Treatment Unit

Filtration Equipment

Other Products

Accessories and Consumables

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Energy & Chemical Industry:

Completed landmark projects with partners including Ningxia Weizhong Energy Technology Co., Ltd., Huayang International, Hangzhou Longshan Chemical Co., Ltd., Bozhou Ruineng Cogeneration Co., Ltd., Anhui Gujing Cogeneration Co., Ltd., Chengfeng Power Co., Ltd., Toshiba (Wuxi) Semiconductor Co., Ltd., Safran Aircraft Engines (Guiyang) Co., Ltd., Wison Offshore & Marine’s overseas container water supply project (Shanghai), and Guangdong Top Power Electronics Co., Ltd. Established long-term partnerships with power investment enterprises such as Guangzhou Yongxing Energy Co., Ltd., Zhejiang Wangneng Environmental Protection Co., Ltd. (3 systems), and Tus-Sound Environmental Resources Co., Ltd. (4 systems).

 

Pharmaceutical Industry:

Provided water treatment solutions for pharmaceutical companies certified by US FDA and China GMP, including Biomet (Jinhua) Medical Devices Co., Ltd. (USA), Double Medical Technology Inc. (6 systems), Aurotecs Pharmaceutical Co., Ltd. (2 systems), Jiangsu Baozhong Boda Pharmaceutical Co., Ltd. (LiOH extraction, 3 systems), Zhejiang Lepu Pharmaceutical Co., Ltd., Zhejiang Medicine Xinchang Pharmaceutical Factory, Jiangsu Jiangshan Pharmaceutical Co., Ltd. (2 systems), Zhejiang Zuoli Pharmaceutical Co., Ltd., Baju Pharmaceutical Co., Ltd., and Shandong Hualu Pharmaceutical Co., Ltd. Covering core areas such as pharmaceutical wastewater treatment, high-purity water production, and resource recovery.

Nature Environmental Technology

Dabo Medical Technology Co., Ltd

Zhejiang Zuoli Pharmaceutical Co., Ltd

Zhejiang Baomite Medical Products Co., Ltd

Aurisco Pharmaceuticals

Jiangsu Baozhong Baoda Pharmaceutical

Yongsan chemical boiler

Ruineng energy boiler

Baosteel Group process

DMC Group boiler

Zhejiang Baomite Medical Products Co., Ltd

Heilongjiang Xinhe Cheng Biological

American FMC lithium-ion

Lianhetech (Linhai)

Meixinjia Zhongwei Pharmaceutical

Ningxia Weizhong Energy

Ningxia Weizhong Energy

Ningxia Weizhong Energy

Zhejiang Xinhecheng Pharmaceutical Co., Ltd

Zhejiang Fangyuanxin Biomedicine

Zhejiang Xinhecheng

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Shenzhen Wald

HOME >> Products >>Filtration Equipment >> Security Filter
Product Detail

Security Filter

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Brief Introduction

I. Working Principle

Precision filtration utilizes formed filter media where the feed liquid passes through while retaining impurities on the media surface, allowing purified filtrate to exit.

Common filter media include: filter cloth, mesh, discs, sintered tubes, string-wound cartridges, melt-blown cartridges, microporous cartridges, and multi-functional cartridges. With varied media types come different pore sizes (typically 0.1-120μm), positioning precision filtration between sand filtration (coarse) and ultrafiltration.


String-wound cartridges (honeycomb filters) feature two main types:

Polypropylene fiber/PP frame (max 60°C)

Degreased cotton fiber/stainless steel frame (max 120°C)


II. Technical Features

1. Effectively removes water/oil mist/solid particles (100% removal ≥0.01μm particles; oil mist concentration <0.01ppm/wt)

2. Compact and lightweight design

3. Optional plastic (with protective cover) or aluminum alloy housing

4. Three-stage purification with extended service life


III. Technical Parameters

1. Operating pressure: 0.05-0.6MPa

2. Temperature range: 5-40°C (customizable)

3. Cartridge connection: Flat clamp/Insertion type

4. Filtration accuracy: 3-100μm

5. Cartridge quantity: 1-180 units

6. Cartridge length: 10-50 inches

7. Flow rate: 0.1-300m3/h (per unit)

8. Housing material: 304/316L stainless steel, Q235 rubber-lined


Contact:0572-2292400

AddressBuilding 5, No. 1155, Zhizao Center, Dayang Road, Kangshan Street, Huzhou City, Zhejiang Province


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